bcachefs: Fix btree node scan when unknown btree IDs are present

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btree_root entries for unknown btree IDs are created during recovery,
before reading those btree roots.

But btree_node_scan may find btree nodes with unknown btree IDs when we
haven't seen roots for those btrees.

Reported-by: syzbot+1f202d4da221ec6ebf8e@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

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This commit is contained in:

Kent Overstreet 2024-11-24 22:57:01 -05:00

parent 427db7ffe9

commit abf23afa36

2 changed files with 15 additions and 5 deletions

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11

fs/bcachefs/btree_cache.c

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9

fs/bcachefs/btree_cache.h

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